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xen-users
[Xen-users] About swiotlb and " ...PCI-DMA: Out of SW-IOMMU..." error
Hi all,
I posted the following message in the devel list without successful, expect
here have a little more luck ;)
Just add that testing the same setup on a VMware (I mean, not in a physical
hardware) all go fine.
Hi all,
Sorry write to this list, here is the only place with a thread and a
solution to this problem.
At
http://lists.xensource.com/archives/html/xen-devel/2007-09/msg00140.html
you can read
“
No, you simply don’t have a big enough swiotlb. The default is 2MB for a
machine with less than 2GB of RAM, or 64MB for >2GB systems.
“
All seen that for that guy that problem get solved changing the swiotlb,
but for me and lot of people
(https://bugs.launchpad.net/ubuntu/+source/xen-meta/+bug/162147) not,
can any help us to sort up this bug?
In resume the problem is that after try to create the first DomU lots of
lines come to the console like this one:
“[ 5345.211424] PCI-DMA: Out of SW-IOMMU sapce for 65536 bytes at device
0000:03:01.0”
and in dmesg appear lot of line like:
“
[ 5345.302257] (scsi4:A:0:0): data overrun detected in Data-out phase.
Tag == 0x2.
[ 5345.302263] (scsi4:A:0:0): Have seen Data Phase. Length = 0. NumSGs =
0.
”
Thanks a lot in advanced, I'm trying to deploy a Xen solution in my
University and is important for me solve this bug.
Salute
Frank Abel
__________________________________________
Participe en Universidad 2008.
11 al 15 de febrero del 2008.
Palacio de las Convenciones, Ciudad de la Habana, Cuba
http://www.universidad2008.cu
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